~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
に[反「はん」]して/に[反「はん」]し/に[反「はん」]する/に[反「はん」]した => In contrast to A N2
Contrast,Surprise
~ます/~ません => Polite, present form N5
Verb suffixes
たとたん => As soon as A (occured), B N3
Time, Situation
[禁止「きんし」] => Don't do N4
Can, Should, Must
~ませんか => Let's…, Would you like to... N5
Verb suffixes
てしまう => Did something N4
Secondary Verb
まだしも => A is acceptable, N2
Comparison, Exchange
んがため => For the purpose of doing A N1
Reason, Result, Response
て下さいませんか => Please do A (polite) N5
Asking and Telling
ただし => A。However, B N2
Contrast,Surprise
[関「かん」]して => About A, With relation to A N3
Considering, Concerning